20310002012331 has 16 divisors (see below), whose sum is σ = 30537979811200. Its totient is φ = 13337911768104.

The previous prime is 20310002012263. The next prime is 20310002012387. The reversal of 20310002012331 is 13321020001302.

20310002012331 is a `hidden beast` number, since 2 + 0 + 310 + 0 + 0 + 20 + 1 + 2 + 331 = 666.

It is not a de Polignac number, because 20310002012331 - 2³¹ = 20307854528683 is a prime.

It is a super-3 number, since 3×20310002012331³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310002012731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5613597421 + ... + 5613601038.

It is an arithmetic number, because the mean of its divisors is an integer number (1908623738200).

Almost surely, 2^{20310002012331} is an apocalyptic number.

20310002012331 is a deficient number, since it is larger than the sum of its proper divisors (10227977798869).

20310002012331 is a wasteful number, since it uses less digits than its factorization.

20310002012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227198535 (or 11227198529 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20310002012331 its reverse (13321020001302), we get a palindrome (33631022013633).

The spelling of 20310002012331 in words is "twenty trillion, three hundred ten billion, two million, twelve thousand, three hundred thirty-one".